CN108169300B - A kind of method of copper ion and sulfate ion content in on-line checking copper electrolyte - Google Patents
A kind of method of copper ion and sulfate ion content in on-line checking copper electrolyte Download PDFInfo
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- CN108169300B CN108169300B CN201711399933.2A CN201711399933A CN108169300B CN 108169300 B CN108169300 B CN 108169300B CN 201711399933 A CN201711399933 A CN 201711399933A CN 108169300 B CN108169300 B CN 108169300B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/27—Association of two or more measuring systems or cells, each measuring a different parameter, where the measurement results may be either used independently, the systems or cells being physically associated, or combined to produce a value for a further parameter
Abstract
The invention discloses a kind of methods of copper ion and sulfate ion content in on-line checking copper electrolyte, it is characterized by: three digital detection probes are placed in copper electrolysis cells electrolyte, temperature T, viscosity μ and the conductivityσ of these three probe difference on-line measurement electrolyte, obtained measurement data returns to computer, by computer Real-time solution component equations group, and then the copper ion concentration and sulfuric acid concentration of copper electrolyte are obtained indirectly.The present invention compared with the conventional method, has the advantages that (1) can be realized quickly online while detect copper ion concentration and sulfuric acid concentration, is conducive to factory and carries out big data analysis.(2) method is simple and reliable, at low cost.Only need to install Digital Measurement of Temperature probe, digital viscosmeter, digital conductivity meter at the scene, and these are mature technology.(3) setting of parameters value range may be implemented the data that detected accurately and can be applied to industrial production in formula disclosed in this method.
Description
Technical field
The invention belongs to the analysis testing fields of copper electrolyte ingredient, and in particular to copper in a kind of on-line checking copper electrolyte
The method of ion and sulfate ion content.
Background technique
Copper is the basic raw material and strategic goods and materials for supporting national economy, and about 80% copper is produced using pyrometallurgy
's.The obtained blister copper of pyrometallurgy needs further to purify by electrorefining.Its technique is: using blister copper as anode
Plate uses copper sulphate and sulfuric acid mixed solution as electrolyte, in the effect of direct current using fine copper or stainless steel as cathode plate
Under, copper is constantly dissolved from anode plate, and is constantly deposited in cathode plate.
Cu in the electrolyte of copper electrolyzing refining2+Generally in 40~50g/L, sulfuric acid concentration is in 170~200g/L, electrolyte temperature
Degree is generally at 60~70 DEG C.The stabilization of electrolyte composition is crucial production direct motion, energy-saving and product quality,
Copper ion concentration and sulfuric acid concentration in real-time online detection electrolytic cell have very positive meaning.Currently, in experimental determination
The method of content of copper ion mainly has EDTA titration, spectrophotometry, atomic absorption method, atomic emission spectrum in copper electrolyte
Method etc., and acid base titration is mainly used for sulfuric acid content, it cannot achieve on-line quick detection.
In conclusion developing, one kind is simple and fast to be able to achieve online while detecting copper ion concentration and sulfuric acid in copper electrolyte
The method of concentration is the key technical problem of current urgent need to resolve, is had important practical significance.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide it is a kind of and meanwhile detect in copper electrolyte copper from
The method of sub- concentration and sulfuric acid concentration.
Specific technical solution is as follows:
A kind of method of copper ion and sulfate ion content in on-line checking copper electrolyte, by three digital detection probes
It is placed in copper electrolysis cells electrolyte, temperature T, viscosity μ and the conductivityσ of these three probe difference on-line measurement electrolyte, institute
Obtained measurement data returns to computer, by computer Real-time solution component equations group, and then obtains the copper of copper electrolyte indirectly
Ion concentration and sulfuric acid concentration, the component equations group are as follows:
-A1·[Cu]+B1·[H2SO4]=σ-C1-D1T+E1T2 (1)
A2·[Cu]+B2·[H2SO4μ-the C2+D2T-E2T of]=10002 (2)
In formula (1), (2), σ is conductivity, S/m；μ is viscosity, Pas；[] is the concentration of each substance, g/L；T is electrolysis
Liquid temperature, DEG C；A1, B1, C1, D1, E1, A2, B2, C2, D2, E2 are coefficient, and wherein the value range of A1 is 0.32-0.40, B1
Value range be 0.218~0.266, C1 value range be 11.93~14.59, D1 value range be 0.43~0.53,
The value range that the value range of E1 is 0.000675~0.000825, A2 is 0.0077~0.0094；The value range of B2 is
0.00158~0.00194；The value range of C2 is 1.84~2.24；The value range of D2 is 0.041~0.051；The value of E2
Range is 0.000237~0.000289.
Further preferred that A1 value is 0.36, B1 value is 0.242, C1 value is 13.26, D1 value is 0.48, E1
Value is 0.00075, A2 value is 0.0085, B2 value is 0.00176, C2 value is 2.04, D2 value is 0.046, E2 takes
Value is 0.000263.
It is further preferred that working as temperature in the copper electrolyte is 40 DEG C~75 DEG C；Copper ion concentration is 35g/L~60g/
L；When sulfuric acid concentration is 120g/L~220g/L, the accuracy detected using the method for the invention is higher.
Technical principle of the invention is in copper electrolyzing refining electrolyte that impurity is less, the viscosity of electrolyte and conductivity by
Temperature, copper ion concentration and sulfuric acid concentration control, if it is known that electrolyte viscosity and conductivity and temperature, copper ion concentration, sulphur
Then the functional relation of acid concentration measures temperature, viscosity and the conductivity of electrolyte, then counter can release the copper ion of electrolyte
Concentration and sulfuric acid concentration.
The present invention compared with the conventional method, has the advantages that
(1) it can be realized quickly online while detecting copper ion concentration and sulfuric acid concentration, be conducive to factory and carry out big data
Analysis.
(2) method is simple and reliable, at low cost.Only need to install Digital Measurement of Temperature probe, digital viscosmeter, number electricity at the scene
Electrical conductivity instrument, and these are mature technology.
(3) data that detected standard may be implemented in the setting of parameters value range in formula disclosed in this method
Really and it can be applied to industrial production.
Specific embodiment
Below in conjunction with specific example, the invention will be described in further detail.
Embodiment 1
Three digital detection probes are placed in copper electrolysis cells electrolyte, measure electrolytic cell somewhere electrolyte temperature,
Viscosity, conductivity are respectively as follows: 60.48 DEG C, 0.00094Pas, 67.02S/m, then feed back to this three data such as lower section
Journey group:
-0.36[Cu]+0.242[H2SO4]=67.02-13.26-0.48 × 60.48+0.00075 × 60.48 × 60.48
(3)
0.0085[Cu]+0.00176[H2SO4]=1000 × 0.00094-2.04+0.046 × 60.48-0.000263 ×
60.48×60.48 (4)
A1 value is 0.36 in above formula, B1 value is 0.242, C1 value is 13.26, D1 value is 0.48, E1 value is
0.00075, A2 value is 0.0085, B2 value is 0.00176, C2 value is 2.04, D2 value is 0.046, E2 value is
0.000263。
Joint type (3), formula (4), solve: [Cu]=46.79g/L, [H2SO4]=183.1g/L
And pass through concentration measured by EDTA titration and acid base titration are as follows: [Cu]=48.28g/L, [H2SO4]=179.8g/
L, error is within 5%.
Embodiment 2
It is respectively as follows: by temperature, viscosity, conductivity that three digital detection probes measure electrolytic cell somewhere electrolyte
Then 57.34 DEG C, 0.00106Pas, 68.70S/m feed back to this three data in following equation group:
-0.36[Cu]+0.242[H2SO4]=68.70-13.26-0.48 × 57.34+0.00075 × 57.34 × 57.34
(3)
0.0085[Cu]+0.00176[H2SO4]=1000 × 0.00106-2.04+0.046 × 57.34-0.000263 ×
57.34×57.34 (4)
A1 value is 0.36 in above formula, B1 value is 0.242, C1 value is 13.26, D1 value is 0.48, E1 value is
0.00075, A2 value is 0.0085, B2 value is 0.00176, C2 value is 2.04, D2 value is 0.046, E2 value is
0.000263。
Joint type (3), formula (4), solve: [Cu]=51.44g/L, [H2SO4]=202.1g/L
And pass through concentration measured by EDTA titration and acid base titration are as follows: [Cu]=52.82g/L, [H2SO4]=199.1g/
L, error is within 5%.
It can further illustrate that the setting of parameters value range in formula disclosed in this method can as above embodiments
To realize that the data that detected are accurate and can be applied to industrial production.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (3)
1. a kind of method of copper ion and sulfate ion content in on-line checking copper electrolyzing refining electrolyte, it is characterised in that:
Three digital detection probes are placed in copper electrolysis cells electrolyte, the temperature T of these three probe difference on-line measurement electrolyte,
Viscosity μ and conductivityσ, obtained measurement data returns to computer, by computer Real-time solution component equations group, and then indirectly
Obtain the copper ion concentration and sulfuric acid concentration of copper electrolyzing refining electrolyte, the component equations group are as follows:
-A1·[Cu]+B1·[H2SO4]=σ-C1-D1T+E1T2 (1)
A2·[Cu]+B2·[H2SO4μ-the C2+D2T-E2T of]=10002 (2)
In formula (1), (2), σ is conductivity, S/m；μ is viscosity, Pas；[] is the concentration of each substance, g/L；T is electrolyte temperature
Degree, DEG C；A1, B1, C1, D1, E1, A2, B2, C2, D2, E2 are coefficient, and wherein the value range of A1 is taking for 0.32~0.40, B1
The value range that the value range that value range is 0.218~0.266, C1 is 11.93~14.59, D1 is 0.43~0.53, E1's
The value range that value range is 0.000675~0.000825, A2 is 0.0077~0.0094；The value range of B2 is
0.00158~0.00194；The value range of C2 is 1.84~2.24；The value range of D2 is 0.041~0.051；The value of E2
Range is 0.000237~0.000289.
2. copper ion and sulfate ion content in a kind of on-line checking copper electrolyzing refining electrolyte according to claim 1
Method, it is characterised in that: A1 value is 0.36, B1 value is 0.242, C1 value is 13.26, D1 value is 0.48, E1 value
For 0.00075, A2 value be 0.0085, B2 value is 0.00176, C2 value is 2.04, D2 value is 0.046, E2 value is
0.000263。
3. copper ion and sulfate ion content in a kind of on-line checking copper electrolyzing refining electrolyte according to claim 1
Method, it is characterised in that: the temperature is 40 DEG C~75 DEG C；Copper ion concentration is 35g/L~60g/L；Sulfuric acid concentration is 120g/
L~220g/L.
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| CN201711399933.2A CN108169300B (en) | 2017-12-22 | 2017-12-22 | A kind of method of copper ion and sulfate ion content in on-line checking copper electrolyte |
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| CN108169300B true CN108169300B (en) | 2019-10-29 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002161391A (en) * | 2000-11-21 | 2002-06-04 | Toppan Printing Co Ltd | Electroplating method and method for manufacturing wiring board therewith |
| CN102680470A (en) * | 2011-12-10 | 2012-09-19 | 河南科技大学 | Method for determining content of arsenic and antimony in copper electrolyte |
| CN104198650A (en) * | 2014-09-10 | 2014-12-10 | 中条山有色金属集团有限公司 | Method for determining content of copper in copper electrolyte |
| CN107271603A (en) * | 2017-07-08 | 2017-10-20 | 湖南有色金属研究院 | A kind of copper electrolyte sulfuric acid, copper, the method for continuously measuring of nickel content |
-
2017
- 2017-12-22 CN CN201711399933.2A patent/CN108169300B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002161391A (en) * | 2000-11-21 | 2002-06-04 | Toppan Printing Co Ltd | Electroplating method and method for manufacturing wiring board therewith |
| CN102680470A (en) * | 2011-12-10 | 2012-09-19 | 河南科技大学 | Method for determining content of arsenic and antimony in copper electrolyte |
| CN104198650A (en) * | 2014-09-10 | 2014-12-10 | 中条山有色金属集团有限公司 | Method for determining content of copper in copper electrolyte |
| CN107271603A (en) * | 2017-07-08 | 2017-10-20 | 湖南有色金属研究院 | A kind of copper electrolyte sulfuric acid, copper, the method for continuously measuring of nickel content |
Non-Patent Citations (1)
| Title |
|---|
| Modeling the Effect of Composition and Temperature on the Conductivity of Synthetic Copper Electrorefining Electrolyte;Taina Kalliomäki et al.;《Minerals》;20160624;第6卷(第59期) * |
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